4,6-Dimethylpyrimidine-2-carbonitrile (CAS NO.22126-16-5) is also named as 2-Pyrimidinecarbonitrile, 4,6-dimethyl- ; 2-Cyano-4,6-dimethylpyrimidine ; 4,6-Dimethyl-2-pyrimidinecarbonitrile .